title: Circadian variation of cardiac autonomic nervous activity is well preserved in patients with mild to moderate chronic heart failure: effect of patient position.
mesh_terms: D000368:Aged; D001341:Autonomic Nervous System / Q000503:physiopathology*; D016022:Case-Control Studies; D002940:Circadian Rhythm; D015716:Electrocardiography, Ambulatory; D005260:Female; D006321:Heart / Q000294:innervation*; D006333:Heart Failure / Q000503:physiopathology*; D006339:Heart Rate / Q000502:physiology; D006801:Humans; D008297:Male; D011187:Posture / Q000502:physiology*; D014630:Vagus Nerve / Q000502:physiology